<style>
.modaloverlay {
    text-align: center;
	position: fixed;
	margin: auto;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 3;
	background-color:black;
  filter:alpha(opacity=70);
  -khtml-opacity:0.7;
  -moz-opacity:0.70;
  opacity:0.70;
}

.modalcont{
	position: fixed;
    margin: auto;
	z-index: 5;
	top: 50%;
	left: 50%;
	margin-top: -170px;
	margin-left: -300px; 
	width: 600px;
	height: 340px;
  filter:alpha(opacity=1);
  -khtml-opacity:1;
  -moz-opacity:1;
  opacity:1;
}
</style>
<div class="modaloverlay"></div>
<div id="dw" dwname="content"></div>
<!-- div class="modalcont" id="dw" dwname="content"></div -->
